Liabilities / Assets
78th percentile
Higher debt load relative to assets than 78% of similar nonprofits.
EIN 36-3137689 • 501(c)3 • Oak Park, IL
Profile
Appreciation of choral music through affordable concert tickets and offering free musicianship, vocal technique classes to the community, and sometimes free workshops.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
78th percentile
Higher debt load relative to assets than 78% of similar nonprofits.
Liabilities / Revenue
82nd percentile
Higher debt load relative to revenue than 82% of similar nonprofits.
Net Margin
15th percentile
Higher net margin than 15% of similar nonprofits.
Top Officer Pay
85th percentile
Higher top officer pay than 85% of similar nonprofits.
Top officer pay equals 40.3% of source-year revenue.
Asset Growth
26th percentile
Faster asset growth than 26% of similar nonprofits.
Revenue Growth
36th percentile
Faster revenue growth than 36% of similar nonprofits.
Assets
Down$20,481
Down $10,844 (-35%) from 2023
Liabilities
Up$1,950
Up $985 (+102%) from 2023
Net Assets
Down$18,531
Down $11,829 (-39%) from 2023
Revenue
Up$22,310
Up $391 (+1.8%) from 2023
Expenses
Down$32,051
Down $957 (-2.9%) from 2023
Net Income
Up-$9,741
Up $1,348 (+12%) from 2023
Most recent year
2025 • Form 990EZDetailed filing. Detailed filing data is available for this year.
appreciation of choral music through concerts and offering free music workshops and classes to the community
Fostering appreciating of quality choral music through affordable concert tickets, promoting cultural enrichment in our region, supporting efforts in the broad field of music education and premiering works by local composers. We are ensuring a more widely representative canon of composers and works. Going into the 2025-26 season, we have been focusing on expanding our mission by including joint performances with area ensembles and exploring the many ways in which the power of music may lead to a greater sense of community.
| Description | Grants | Expenses |
|---|---|---|
| Fall Christmas concert Nov 24, 2024 A Feast of Carols: A Festive Concert in Honor of Paul Lindblad at St John Lutheran Church in Forest Park. Premiered 4 songs. Three by local composers (Schalk, deceased; Lindblad and Hahn) and one from a London composer (Ayers). Paid commission to 2 composers. Had organ accompanist who also had 2 interlude solos. Expenses include music, online and print advertising announcing new Artistic Director Paul Laprade and new Conductor Emeritus Paul Lindblad and our Fall concert, design and printing of posters and program booklet, postage for mass postcard mailing announcing concert, rehearsal rental, recording engineer. 195 heard the concert: 164 patrons attended concert, plus 31 singers, artists, volunteers. | $4,004 | $5,809 |
| Spring concert April 6, 2025 Experiences of Joy at First United Methodist Church of Oak Park. Premiered 1 song by Conductor Emeritus, Paul Lindblad. Had organ accompaniment who also had 3 interlude solos. Music purchased, online and newspaper advertising, design and printing of posters fliers and program booklet, postage for mass flier mailing announcing concert, rehearsal space, concert venue, recording engineer. 180 heard the concert: 145 patrons plus 35 singers, artists, volunteers. | $2,322 | $5,107 |
| Free reception in honor of Paul Lindblad immediately followed the Nov 24 Christmas concert. With Paul stepping down as Artistic Director/Conductor after a total of 43 years with OPCC, we wanted patrons and singers to be able to speak with Paul and thank him for his years of dedicated service. The 164 patrons and 31 singers, artists, volunteers had the opportunity to congratulate Paul during the free reception as well as speak with our new AD/C, Paul Laprade. | $1,994 | $2,012 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Paul Laprade | Artistic Director Conductor | PT | $9,000 | - | $9,000 |
| Judy Thompson | Financial Secretary | PT | $4,000 | - | $4,000 |
| John Boyle | Board President | - | $0 | - | - |
| Nathan Gibes | Board Vice President | - | $0 | - | - |
| Hannah Kennedy | Board Secretary | - | $0 | - | - |
| Lynn Zamora | Treasurer | - | $0 | - | - |
| Donald Childs | Board Member | - | $0 | - | - |
| Mark Dawson | Board Membeer | - | $0 | - | - |
| William Lyman | Board Member | - | $0 | - | - |
| Paul Vaccarello | Board Member | - | $0 | - | - |
| Anthony Yusken III | Board Member | - | $0 | - | - |
“Byline Bank had a promo for a certain period. Use Debit Card and you will get credit for a percentage of your purchases during that period.”
“Assistance Funds provided to one singer who needed help paying cost of membership for one semester. $20 music, $40 dues, $25 rehearsal workshop”
“Description;Amount^Advertising;2402|Bank Charges CrCrd Process Fees;261|CD Proj Bandcamp's share of Rev for purchases;4|Dues Fees Online Subscription;270|Liability Insurance;522|Membership Expenses Music Dues Workshop;1633|Misc Expense after concert dinner fees cost more than we charged singers;663|Exp for special after concert reception for retiring Artistic Dir;2012|Recruiting DIOV booth fee;50|Supplies;190^Total;8007^”
“Prepaid donation of $50 and prepaid membership fees of $1900 received for Fall 2025 semester, but were received prior to July 1, 2025, which is the beginning of our next season and fiscal year. After July 1, 2025, the prepaid monies were allocated to their proper revenue accounts for donations and membership revenue for this new fiscal year.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
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| IRS990EZ/BenefitsPaidToOrForMembersAmt | 0 | 0 |
| IRS990EZ/BooksInCareOfDetail/PersonNm | 0 | Judy Thompson |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 8475289823 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 924 N Oak Park Ave |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | Oak Park |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 60302 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 29572 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 20481 |
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| IRS990EZ/ContributionsGiftsGrantsEtcAmt | 0 | 8904 |
| IRS990EZ/CostOfGoodsSoldAmt | 0 | 0 |
| IRS990EZ/CostOrOtherBasisExpenseSaleAmt | 0 | 0 |
| IRS990EZ/DirectIndirectPltclExpendAmt | 0 | 0 |
| IRS990EZ/DonorAdvisedFndsInd | 0 | 0 |
| IRS990EZ/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | -9741 |
| IRS990EZ/FeesAndOtherPymtToIndCntrctAmt | 0 | 18263 |
| IRS990EZ/FiledScheduleAInd | 0 | 1 |
| IRS990EZ/ForeignFinancialAccountInd | 0 | 0 |
| IRS990EZ/ForeignOfficeInd | 0 | 0 |
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| IRS990EZ/FundraisingGrossIncomeAmt | 0 | 3577 |
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| IRS990EZ/GamingGrossIncomeAmt | 0 | 0 |
| IRS990EZ/GrantsAndSimilarAmountsPaidAmt | 0 | 85 |
| IRS990EZ/GrossProfitLossSlsOfInvntryAmt | 0 | 335 |
| IRS990EZ/GrossReceiptsAmt | 0 | 22310 |
| IRS990EZ/GrossSalesOfInventoryAmt | 0 | 335 |
| IRS990EZ/InfoInScheduleOPartIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIInd | 0 | X |
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| IRS990EZ/LandAndBuildingsGrp/BOYAmt | 0 | 0 |
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| IRS990EZ/MadeLoansToFromOfficersInd | 0 | 0 |
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| IRS990EZ/MethodOfAccountingCashInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 28272 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 18531 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 28272 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 18531 |
| IRS990EZ/OccupancyRentUtltsAndMaintAmt | 0 | 2000 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 0.20 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 0.10 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 5 | 0.10 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 6 | 0.10 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 8 | 0.10 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 10 | 10 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 6 | 0 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 9 | 9000 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 10 | 4000 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 1 | 0 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 10 | 0 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 10 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | John Boyle |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | Nathan Gibes |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | Hannah Kennedy |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | Lynn Zamora |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 4 | Donald Childs |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 5 | Mark Dawson |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 6 | William Lyman |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 7 | Paul Vaccarello |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 8 | Anthony Yusken III |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 9 | Paul Laprade |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 10 | Judy Thompson |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | Board President |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | Board Vice President |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | Board Secretary |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 3 | Treasurer |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 4 | Board Member |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 5 | Board Membeer |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 6 | Board Member |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 7 | Board Member |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 8 | Board Member |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 9 | Artistic Director Conductor |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 10 | Financial Secretary |
| IRS990EZ/OperateHospitalInd | 0 | 0 |
| IRS990EZ/Organization501c3Ind | 0 | X |
| IRS990EZ/OrganizationDissolvedEtcInd | 0 | 0 |
| IRS990EZ/OrganizationHadUBIInd | 0 | 0 |
| IRS990EZ/OtherAssetsTotalDetail/BOYAmt | 0 | 0 |
| IRS990EZ/OtherAssetsTotalDetail/EOYAmt | 0 | 0 |
| IRS990EZ/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990EZ/OtherExpensesTotalAmt | 0 | 8007 |
| IRS990EZ/OtherRevenueTotalAmt | 0 | 1 |
| IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt | 0 | NONE |
| IRS990EZ/PartVIOfCompOfHghstPdEmplTxt | 0 | NONE |
| IRS990EZ/PoliticalCampaignActyInd | 0 | 0 |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | Fostering appreciating of quality choral music through affordable concert tickets, promoting cultural enrichment in our region, supporting efforts in the broad field of music education and premiering works by local composers. We are ensuring a more widely representative canon of composers and works. Going into the 2025-26 season, we have been focusing on expanding our mission by including joint performances with area ensembles and exploring the many ways in which the power of music may lead to a greater sense of community. |
| IRS990EZ/PrintingPublicationsPostageAmt | 0 | 3696 |
| IRS990EZ/ProgramServiceRevenueAmt | 0 | 4831 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | Fall Christmas concert Nov 24, 2024 A Feast of Carols: A Festive Concert in Honor of Paul Lindblad at St John Lutheran Church in Forest Park. Premiered 4 songs. Three by local composers (Schalk, deceased; Lindblad and Hahn) and one from a London composer (Ayers). Paid commission to 2 composers. Had organ accompanist who also had 2 interlude solos. Expenses include music, online and print advertising announcing new Artistic Director Paul Laprade and new Conductor Emeritus Paul Lindblad and our Fall concert, design and printing of posters and program booklet, postage for mass postcard mailing announcing concert, rehearsal rental, recording engineer. 195 heard the concert: 164 patrons attended concert, plus 31 singers, artists, volunteers. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 1 | Free reception in honor of Paul Lindblad immediately followed the Nov 24 Christmas concert. With Paul stepping down as Artistic Director/Conductor after a total of 43 years with OPCC, we wanted patrons and singers to be able to speak with Paul and thank him for his years of dedicated service. The 164 patrons and 31 singers, artists, volunteers had the opportunity to congratulate Paul during the free reception as well as speak with our new AD/C, Paul Laprade. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 2 | Spring concert April 6, 2025 Experiences of Joy at First United Methodist Church of Oak Park. Premiered 1 song by Conductor Emeritus, Paul Lindblad. Had organ accompaniment who also had 3 interlude solos. Music purchased, online and newspaper advertising, design and printing of posters fliers and program booklet, postage for mass flier mailing announcing concert, rehearsal space, concert venue, recording engineer. 180 heard the concert: 145 patrons plus 35 singers, artists, volunteers. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 0 | 4004 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 1 | 1994 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 2 | 2322 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 0 | 5809 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 1 | 2012 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 2 | 5107 |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990EZ/SalariesOtherCompEmplBnftAmt | 0 | 0 |
| IRS990EZ/SaleOfAssetsGrossAmt | 0 | 0 |
| IRS990EZ/ScheduleBNotRequiredInd | 0 | X |
| IRS990EZ/SchoolOperatingInd | 0 | 0 |
| IRS990EZ/SpecialEventsDirectExpensesAmt | 0 | 0 |
| IRS990EZ/SpecialEventsNetIncomeLossAmt | 0 | 3577 |
| IRS990EZ/SubjectToProxyTaxInd | 0 | 0 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt | 0 | 1300 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt | 0 | 1950 |
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| IRS990EZ/TaxImposedOnOrganizationMgrAmt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4911Amt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4912Amt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4955Amt | 0 | 0 |
| IRS990EZ/TaxReimbursedByOrganizationAmt | 0 | 0 |
| IRS990EZ/TotalExpensesAmt | 0 | 32051 |
| IRS990EZ/TotalProgramServiceExpensesAmt | 0 | 12928 |
| IRS990EZ/TotalRevenueAmt | 0 | 22310 |
| IRS990EZ/TransactionWithControlEntInd | 0 | 0 |
| IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd | 0 | 0 |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | www.oakparkconcertchorale.org |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearAmt | 0 | 0 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus1YearAmt | 0 | 0 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus2YearsAmt | 0 | 0 |
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| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus4YearsAmt | 0 | 0 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 13566 |
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| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 14427 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 7968 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 7576 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 59521 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl509Grp/CurrentTaxYearAmt | 0 | 0 |
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| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 2 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 2 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 5166 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 3307 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 6897 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 1910 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 0 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 17280 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearAmt | 0 | 3578 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus1YearAmt | 0 | 4097 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus2YearsAmt | 0 | 5074 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus3YearsAmt | 0 | 972 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus4YearsAmt | 0 | 1399 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/TotalAmt | 0 | 15120 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 0 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 0 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 0 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 0 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 2 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 2 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00002 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.0002 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/CurrentTaxYearAmt | 0 | 0 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/CurrentTaxYearMinus1YearAmt | 0 | 0 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 0 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 0 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 0 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/TotalAmt | 0 | 0 |
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| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 0 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 0 |
| IRS990ScheduleA/OtherIncome509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/Post1975UBTIGrp/CurrentTaxYearAmt | 0 | 0 |
| IRS990ScheduleA/Post1975UBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 0 |
| IRS990ScheduleA/Post1975UBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 0 |
| IRS990ScheduleA/Post1975UBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 0 |
| IRS990ScheduleA/Post1975UBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 0 |
| IRS990ScheduleA/Post1975UBTIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.99998 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.9998 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 91921 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearAmt | 0 | 0 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus1YearAmt | 0 | 0 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus2YearsAmt | 0 | 0 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus3YearsAmt | 0 | 0 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus4YearsAmt | 0 | 0 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/CurrentTaxYearAmt | 0 | 0 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/CurrentTaxYearMinus1YearAmt | 0 | 0 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/CurrentTaxYearMinus2YearsAmt | 0 | 0 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/CurrentTaxYearMinus3YearsAmt | 0 | 0 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/CurrentTaxYearMinus4YearsAmt | 0 | 0 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/CurrentTaxYearAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/CurrentTaxYearMinus1YearAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 22310 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 23388 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 26398 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 10850 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 8975 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 91921 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 22310 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 23388 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 26398 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 10850 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 8977 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 91923 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | Byline Bank had a promo for a certain period. Use Debit Card and you will get credit for a percentage of your purchases during that period. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | Assistance Funds provided to one singer who needed help paying cost of membership for one semester. $20 music, $40 dues, $25 rehearsal workshop |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | Description;Amount^Advertising;2402|Bank Charges CrCrd Process Fees;261|CD Proj Bandcamp's share of Rev for purchases;4|Dues Fees Online Subscription;270|Liability Insurance;522|Membership Expenses Music Dues Workshop;1633|Misc Expense after concert dinner fees cost more than we charged singers;663|Exp for special after concert reception for retiring Artistic Dir;2012|Recruiting DIOV booth fee;50|Supplies;190^Total;8007^ |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | Prepaid donation of $50 and prepaid membership fees of $1900 received for Fall 2025 semester, but were received prior to July 1, 2025, which is the beginning of our next season and fiscal year. After July 1, 2025, the prepaid monies were allocated to their proper revenue accounts for donations and membership revenue for this new fiscal year. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990-EZ, Part I, Line 8 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990-EZ, Part I, Line 10 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Form 990-EZ, Part I, Line 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Form 990-EZ, Part II, Line 26 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | Judy Thompson |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | Financial Secretary |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 8475289823 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-11-03 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | OAK PARK CONCERT CHORALE INC |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | OAKP |
| ReturnHeader/Filer/EIN | 0 | 363137689 |
| ReturnHeader/Filer/PhoneNum | 0 | 7088482130 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 924 N Oak Park Ave |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Oak Park |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | IL |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 60302 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | 1 |
| ReturnHeader/ReturnTs | 0 | 2025-11-03T11:40:07-07:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-07-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-06-30 |
| ReturnHeader/TaxYr | 0 | 2024 |
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